Code completion improvements.

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/dart/CompletionProposalCategory.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/dart/CompletionProposalCategory.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/dart/CompletionProposalCategory.java	(revision 7347)
+++ editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/text/dart/CompletionProposalCategory.java	(working copy)
@@ -1,16 +1,14 @@
 /*
- * Copyright (c) 2011, the Dart project authors.
- *
- * Licensed under the Eclipse Public License v1.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
+ * Copyright (c) 2012, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
  * http://www.eclipse.org/legal/epl-v10.html
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
  * the License.
  */
 package com.google.dart.tools.ui.internal.text.dart;
@@ -30,6 +28,8 @@
 import org.eclipse.core.runtime.SubProgressMonitor;
 import org.eclipse.jface.action.LegacyActionTools;
 import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.jface.text.contentassist.IContextInformation;
 import org.osgi.framework.Bundle;
 
 import java.net.URL;
@@ -108,10 +108,10 @@
    * @return the list of computed completion proposals (element type:
    *         {@link org.eclipse.jface.text.contentassist.ICompletionProposal})
    */
-  public List computeCompletionProposals(ContentAssistInvocationContext context, String partition,
-      SubProgressMonitor monitor) {
+  public List<ICompletionProposal> computeCompletionProposals(
+      ContentAssistInvocationContext context, String partition, SubProgressMonitor monitor) {
     fLastError = null;
-    List result = new ArrayList();
+    List<ICompletionProposal> result = new ArrayList<ICompletionProposal>();
     List descriptors = new ArrayList(fRegistry.getProposalComputerDescriptors(partition));
     for (Iterator it = descriptors.iterator(); it.hasNext();) {
       CompletionProposalComputerDescriptor desc = (CompletionProposalComputerDescriptor) it.next();
@@ -137,10 +137,10 @@
    * @return the list of computed context information objects (element type:
    *         {@link org.eclipse.jface.text.contentassist.IContextInformation})
    */
-  public List computeContextInformation(ContentAssistInvocationContext context, String partition,
-      SubProgressMonitor monitor) {
+  public List<IContextInformation> computeContextInformation(
+      ContentAssistInvocationContext context, String partition, SubProgressMonitor monitor) {
     fLastError = null;
-    List result = new ArrayList();
+    List<IContextInformation> result = new ArrayList<IContextInformation>();
     List descriptors = new ArrayList(fRegistry.getProposalComputerDescriptors(partition));
     for (Iterator it = descriptors.iterator(); it.hasNext();) {
       CompletionProposalComputerDescriptor desc = (CompletionProposalComputerDescriptor) it.next();